code: def traceback(self):
      return self.__traceback.as_traceback()
  
file_path: mars/mars/lib/tblib/decorators.py
imports: import sys
  from functools import wraps
  from .None import Traceback
label_desc: Use image node_id 2 for calling the Error obj's underlying member method code with example usage: obj.traceback() and returns: self